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Aluminum – alloy strip-seal bridge joint
Aluminum – alloy strip-seal bridge joint
- PRODUCT OVERVIEW
VHAL aluminum-alloy rail expansion joint made by Vinh Hung Investment and Production Company Limited (Vinh Hung IP) comprises of two aluminum-alloy carrier rails with anchor bars connected to the embedded bars in the pier cap or head-wall of abutment, elastomeric strip serves as the drainage trough and prevent dusts and debris, nosing material: non-shrink mortar mortar or non-shrinkage concrete with minimum compressive strength of 40Mpa.
2. PRODUCT CHARACTERISTICS
- Totally accommodate to longitudinal movement up to 80mm, and also vertical and transverse movement if appear.
- Simple in design and installation, high load bearing and durability.
- Stability structure thanks to anchor rods connected by high-strength bolts.
- Perfect anti-corrosion and anti-abrasion thanks to the properties of aluminum alloy.
- Totally water-tight.
- Options for rubber seal: Client may select conventional seal or hump seal for preventing dusts and debris clogged.
- Smooth surface with professional hanger system installation method
3. TECHNICAL PARAMETERS
5. INSTALLATION
Installation is critical to ensure the lifespan of the expansion joint and smooth traffic. Careful preparation of machinery, equipment, and highly specialized human resource is required for the installation of high quality expansion joints. The installation method shall be strictly followed to guarantee the actual performance of the product in service.
- After finishing pavement, cut and clean the trend, adjust embedded bars, lay reinforcement bars on site
- Fix the deformed bars, install the fabricated joints, add distribution bars, anchoring bars to embedded bars.
- Install formworks and pour non-shrink mortar or high-strength concrete to transition section, check the leveling of surface.
- Cure concrete, install rubber seal, allow traffic when concrete has reached the required strength.
